DE3269703D1 - An objective lens for the reproduction of video discs or the like - Google Patents

An objective lens for the reproduction of video discs or the like

Info

Publication number
DE3269703D1
DE3269703D1 DE8282306083T DE3269703T DE3269703D1 DE 3269703 D1 DE3269703 D1 DE 3269703D1 DE 8282306083 T DE8282306083 T DE 8282306083T DE 3269703 T DE3269703 T DE 3269703T DE 3269703 D1 DE3269703 D1 DE 3269703D1
Authority
DE
Germany
Prior art keywords
reproduction
objective lens
video discs
discs
video
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DE8282306083T
Other languages
German (de)
English (en)
Inventor
Norikazu Arai
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Konica Minolta Inc
Original Assignee
Konica Minolta Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Konica Minolta Inc filed Critical Konica Minolta Inc
Application granted granted Critical
Publication of DE3269703D1 publication Critical patent/DE3269703D1/de
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B21/00—Microscopes
    • G02B21/02—Objectives
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/24—Optical objectives specially designed for the purposes specified below for reproducing or copying at short object distances

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Lenses (AREA)
DE8282306083T 1981-11-20 1982-11-16 An objective lens for the reproduction of video discs or the like Expired DE3269703D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56185210A JPS5887521A (ja) 1981-11-20 1981-11-20 ビデオデイスク等の再生用対物レンズ

Publications (1)

Publication Number Publication Date
DE3269703D1 true DE3269703D1 (en) 1986-04-10

Family

ID=16166791

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8282306083T Expired DE3269703D1 (en) 1981-11-20 1982-11-16 An objective lens for the reproduction of video discs or the like

Country Status (4)

Country Link
US (1) US4484803A (fr)
EP (1) EP0081915B1 (fr)
JP (1) JPS5887521A (fr)
DE (1) DE3269703D1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59174810A (ja) * 1983-03-24 1984-10-03 Nippon Kogaku Kk <Nikon> 対物レンズ
JPS60189702A (ja) * 1984-03-09 1985-09-27 Hitachi Ltd プリズム光学系およびそれを用いた情報装置
JPS6215516A (ja) * 1985-07-15 1987-01-23 Tokinaa Kogaku Kk コリメ−タレンズ
FR2642883B1 (fr) * 1989-02-09 1995-06-02 Asahi Optical Co Ltd
JP2784041B2 (ja) * 1989-05-31 1998-08-06 株式会社リコー 光ディスク用対物レンズ
US7023622B2 (en) * 2002-08-06 2006-04-04 Dmetrix, Inc. Miniature microscope objective lens
EP1897759A1 (fr) * 2005-04-29 2008-03-12 Autotech Engineering, A.I.E. Traverse de renfort de pare-chocs et son procede de fabrication

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1620339A (en) * 1926-05-20 1927-03-08 Eastman Kodak Co Projection objective
FR728328A (fr) * 1931-12-16 1932-07-04 Madiavox Système optique de projection d'un spot, corrigé des aberrations sphériques, comatiques et chromatiques
JPS5118557A (en) * 1974-07-22 1976-02-14 Olympus Optical Co Bideo deisukuyotaibutsurenzu
JPS6049288B2 (ja) * 1977-11-09 1985-11-01 オリンパス光学工業株式会社 ビデオデイスク用再生対物レンズ
JPS6049289B2 (ja) * 1978-06-26 1985-11-01 オリンパス光学工業株式会社 ビデオデスク用の集光レンズ

Also Published As

Publication number Publication date
JPH0416763B2 (fr) 1992-03-25
JPS5887521A (ja) 1983-05-25
EP0081915B1 (fr) 1986-03-05
EP0081915A1 (fr) 1983-06-22
US4484803A (en) 1984-11-27

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee